https://bugs.documentfoundation.org/show_bug.cgi?id=161825
Bug ID: 161825
Summary: Calc crashes when trying to undo after changing sheet
with a XActivationEventListener running
Product: LibreOffice
Version: 24.2.4.2 release
Hardware: All
OS: Windows (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Chart
Assignee: [email protected]
Reporter: [email protected]
Description:
Description:
I have a complex LibreOffice Calc document containing substantial data and a
significant amount of macros. I am using an XActivationEventListener to trigger
a specific subroutine when sheets are switched. However, this setup causes a
crash under certain conditions.
Steps to Reproduce:
Open the document.
Change a value on Sheet X.
Switch to Sheet Y.
Attempt to undo the change.
Observed Behavior:
LibreOffice Calc crashes upon attempting to undo the change after switching
sheets.
Expected Behavior:
The program should undo the change without crashing.
Additional Information:
The event listener, named "sheetChangeEventListener," is defined as follows:
Sub SheetChangeListener_activeSpreadsheetChanged(ByRef pEvt As Object)
Call OnActivateSheet
End Sub
When the undo action is triggered, the active sheet changes back to Sheet X,
invoking the event listener. The crash occurs immediately after the execution
of the event listener function, specifically when the "End Sub" line is
reached, and the debugger steps forward (F8).
Attempts to Isolate the Issue:
I tried to reproduce the bug in a different document, but was unable to cause
the same crash.
Temporary Workaround:
Commenting out the event listener prevents the crash, but this is not a viable
long-term solution as the event listener is needed for the document's
functionality.
Environment:
LibreOffice version: 24.2.4.2
Operating system: Windows 10
Please investigate this issue and provide guidance on how to resolve it.
Thank you for your assistance.
Steps to Reproduce:
1. Open the document.
2. Change a value on Sheet X.
3. Switch to Sheet Y.
4. Attempt to undo the change.
Actual Results:
LibreOffice Calc crashes upon attempting to undo the change after switching
sheets.
Expected Results:
The program should undo the change without crashing.
Reproducible: Always
User Profile Reset: Yes
Additional Info:
Version: 24.2.4.2 (X86_64) / LibreOffice Community
Build ID: 51a6219feb6075d9a4c46691dcfe0cd9c4fff3c2
CPU threads: 16; OS: Windows 10.0 Build 19045; UI render: Skia/Vulkan; VCL: win
Locale: de-DE (de_DE); UI: en-US
Calc: CL threaded
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